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Imported Upstream version 5.18.0.207
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; RUN: opt < %s -simplifycfg -S | FileCheck %s
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; Checks that the SimplifyCFG pass won't duplicate a call to a function marked
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; convergent.
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;
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; CHECK: call void @barrier
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; CHECK-NOT: call void @barrier
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define void @check(i1 %cond, i32* %out) {
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entry:
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br i1 %cond, label %if.then, label %if.end
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if.then:
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store i32 5, i32* %out
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br label %if.end
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if.end:
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%x = phi i1 [ true, %entry ], [ false, %if.then ]
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call void @barrier()
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br i1 %x, label %cond.end, label %cond.false
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cond.false:
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br label %cond.end
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cond.end:
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ret void
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}
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declare void @barrier() convergent
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